Table 1 Characteristics of cervical dysplasia cases and controls from colposcopy clinics in Houston, Texas, 2000-2004
Characteristic | Cases (n = 173) | Controls (n = 563) | P-value |
|---|---|---|---|
Age in years, mean ± SD | 37.0 ± 11.0 | 43.5 ± 11.8 | <0.001 |
Race/ethnicity, n (%) | Â | Â | Â |
 Non-Hispanic White | 90 (52.0) | 296 (52.6) | 0.180 |
 Non-Hispanic Black | 36 (20.8) | 85 (15.1) |  |
 Hispanic | 39 (22.5) | 137 (24.3) |  |
 Other | 8 (4.6) | 45 (8.0) |  |
Education in years, mean ± SD | 13.1 ± 1.98 | 13.4 ± 3.57 | 0.376 |
Marital status, n (%) | Â | Â | Â |
 Never | 45 (26.0) | 102 (18.2) | 0.038 |
 Married/partnered | 85 (49.1) | 331 (58.9) |  |
 Divorced/widowed/separated | 43 (24.9) | 129 (23.0) |  |
Smoking status, n (%) | Â | Â | Â |
 Never | 108 (62.4) | 389 (69.1) | 0.101 |
 Ever | 65 (37.6) | 174 (30.9) |  |
HPV status, n (%) | Â | Â | Â |
 Positive | 129 (74.6) | 408 (72.5) | 0.587 |
 Negative | 44 (25.4) | 155 (27.5) |  |
Histology, n (%) | Â | Â | Â |
 CIN I (mild dysplasia) | 141 (81.5) |  |  |
 CIN II (moderate dysplasia) | 19 (11.0) |  |  |
 CIN III (severe dysplasia) | 13 (7.5) |  |  |
Clinic, n (%) | Â | Â | Â |
 MD Anderson Cancer Center | 141 (81.0) | 481 (85.4) | 0.153 |
 Lyndon B. Johnson General Hospital | 33 (19.0) | 82 (18.6) |  |